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Science
Chemistry
Chemical elements
d-Block
Group 7
Group 7
Bohrium
Chemical element 107
Group 7 element
Group of chemical elements
Manganese
Chemical element with atomic number 25
Rhenium
Chemical element with atomic number 75
Technetium
Chemical element with atomic number 43 (Tc)
Technetium-99m
Metastable nuclear isomer of technetium-99